Start with the right workspace
Open your preferred coding assistant or 3D tool. Use the model shown on the example as a starting point, and check any linked project for setup instructions.
GPT-6 AstraReference brief
Browser 3D Escape Game: Escape from a Sealed Research Facility
A prompt for creating a browser-based 3D escape game set in a sealed research facility, described as a request made to GPT-6 Astra by the linked article’s author, Tomonobu Yanagiya. It specifies a 5–10-minute experience with puzzles involving keys and switches, clear instructions, a completable game flow, and distribution as a single HTML file.
About this example
A starting brief based on the creator's public project, not a verbatim original prompt. Your result will vary.
3D escape gameresearch facilitybrowser gameHTMLkeyswitchpuzzle solvingGPT-6 Astra
The prompt
Create a 3D escape game that can be played in a browser. The objective is to escape from a sealed research facility, and the game should take about 5–10 minutes to play. Include mechanisms such as keys and switches, make the controls and objectives easy to understand, and ensure the game can be completed from start to finish. Package everything in a single HTML file so it can be played simply by opening it in a browser.
How to use this prompt
Choose one thing to change
Swap the subject, art style or setting. Keep the camera and interaction clear. Build a small version first, then refine one detail at a time.
Give the scene its own assets
For a custom character or prop, create a 3D model from a short object description or reference image, then bring it into your project.
Previews belong to their respective creators. Check the original source and project license before reusing code or assets.
